const Koa=require("koa")
const BodyParse=require("body-parse")
const Router =require("koa-router")
const ws=require('ws')

const app=new Koa()

app.use(BodyParse())

const server=app.listen(5050,()=>{
    console.log("server start at 5050")
})
const socket=new ws.Server({server})

